基于纤维素纳米晶的硫酶响应凝用于治疗性结肠炎治疗中持续释放赛莱科克西布
Panalee Pomseethong1, Mydhili Govindarasu1, Garima Sharma2
1Department of Biomedical Science and Institute of Bioscience and Biotechnology, Kangwon National University, Chuncheon 24341, Republic of Korea.
Biomaterials research
|February 5, 2026
概括
一种用于治疗性结肠炎 (UC) 的新型水凝可以有效地提供赛莱科克西布. 这种对硫酶有反应的水凝针对结肠,减少炎症和炎症性肠病治疗的副作用.
科学领域:
- 生物材料科学 生物材料科学
- 药物输送系统 药物输送系统
- 胃肠病学 胃肠病学
背景情况:
- 传统的性结肠炎 (UC) 治疗面临系统性副作用和由于非特异性药物分配而频繁的剂量挑战.
- 需要有针对性的药物输送系统来提高治疗效率并减少UC管理中的不良影响.
研究的目的:
- 开发和评估一种新型的水凝,用于口服摄入赛莱科西布,用于向治疗UC.
- 为了研究肠特异性药物释放水凝的硫酶反应性质.
主要方法:
- 使用聚二甲基化物 (PDADMAC) 和具有硫酸盐基组的纤维素纳米晶体 (CNC) 制造水凝.
- 物理化学表征,在不同的pH值下进行胀研究,以及在硫酶存在的情况下进行体外/体内药物释放评估.
- 在硫酸德克斯诱导UC小鼠模型中评估塞莱科克西布载荷的水凝.
主要成果:
- 成功形成一个稳定的,硫酸盐功能化的PDADMAC-CNC水凝,并进行有效的赛莱可西布封装.
- 在硫酶的存在下增强药物释放,表明结肠特异性向.
- 显著缓解结肠炎症,维护结肠结构,并减少亲炎性细胞因子在体内与自由赛莱科西布相比.
结论:
- 对硫酶敏感的PDADMAC-CNC水凝在治疗性结肠炎时显示出有望的针对性和有效的西莱科西布口服输送.
- 这种方法提供了一个潜在的更安全,更有效的替代传统治疗炎症性肠道疾病.
- 开发的水凝系统突出了酶响应材料在胃肠道局部药物输送方面的潜力.
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